https://support.esri.com/en-us/bug/arcgis-field-maps-253-allows-anonymous-users-to-edit-fe-bug-000181581
BUG-000181581 for ArcGIS Field Maps
ArcGIS Field Maps 25.3 allows anonymous users to edit features in a publicly shared map using the Edit Multiple option, while editing single features is not...
bugarcgisfieldmaps